Raid 1 Queson

[josh.lewis]

So I'm going to implement Raid 1 at home, and have a quick setup
question.

Currently, I have an 80gb disk, with 2 volumes (C:, D: at 40gb each.)

If I stick in, say a 250gb there, do I create 2 volumes on it at 40
each to mirror, thus leaving an extra 170gb out there for "extra",
maybe an E: ?

Or, do I just set the new one to be a mirror, and it will
automatically make the 2 volumes and leave me with unallocated space?

 

[Ed Medlin]

So I'm going to implement Raid 1 at home, and have a quick setup
question.

Currently, I have an 80gb disk, with 2 volumes (C:, D: at 40gb each.)

If I stick in, say a 250gb there, do I create 2 volumes on it at 40
each to mirror, thus leaving an extra 170gb out there for "extra",
maybe an E: ?

Or, do I just set the new one to be a mirror, and it will
automatically make the 2 volumes and leave me with unallocated space?

It will be the size of the smaller drive.......ie 80gb. Your best bet is to
get 2 identical 250gb drives for your array and just leave your other as a
single drive. With current prices you don't pay a lot more for 500gb drives
vs 250gb drives and the larger drives might give you a bit better R/W
speeds.

Ed

 

[Frank McCoy]

So I'm going to implement Raid 1 at home, and have a quick setup
question.

Currently, I have an 80gb disk, with 2 volumes (C:, D: at 40gb each.)

If I stick in, say a 250gb there, do I create 2 volumes on it at 40
each to mirror, thus leaving an extra 170gb out there for "extra",
maybe an E: ?

Or, do I just set the new one to be a mirror, and it will
automatically make the 2 volumes and leave me with unallocated space?

Sounds to me like you're making a mistake.
You should get two matched drives.

 

[josh.lewis]

So I can't raid just certain volumes on a hard disk? It's the whole
physical drive?

 

[Frank McCoy]

So I can't raid just certain volumes on a hard disk? It's the whole
physical drive?

That's the whole idea of RAID.
"Redundant Array of Inexpensive Disks"
(Some people use another word instead of "inexpensive".)

 

[Ed Medlin]

That's the whole idea of RAID.
"Redundant Array of Inexpensive Disks"
(Some people use another word instead of "inexpensive".)

Wasn't RAID originally called Redundant Array of Independent
Disks???......Anyway, Frank is correct in that you need two physical disks,
not just partitions, to setup a Raid 1 array. The same goes for all arrays
until you get to Raid 5 where it needs 3 or more. I use Raid 0 just for the
extra speed for video rendering but it is not recommended for any critical
storage.

Ed

 

[josh.lewis]

well damn.

 

[Frank McCoy]

Wasn't RAID originally called Redundant Array of Independent
Disks???

Both are "correct".
http://en.wikipedia.org/wiki/RAID
Also, "Drives" can be substituted for "Disks".